BIOLOGY MIDDLE SCHOOL

2. Explain how a breeder might produce a new breed of dogwith long ears and a snub nose and how this new breed is
evidence of evolution

Answers

Answer 1
Answer:

Answer: The breeder should choose the two dogs with those distinctive figures, thus concluding a mix of both breeds. This is evidence of evolution because a new breed will be brought up.

Explanation: Example, breeding a shih tzu and a poodle concludes to a new breed which is a p tzu. Sounds funny, but true. Evolving the dogs world even further.

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Which of the following continents was not covered by ice during the Pleistocene ice age? a. Europe
b. Asia
c. Australia
d. North America

Answers

I think the correct answer from the choices listed above is option C. The continent that was not covered by ice during the Pleistocene ice age. This is because the southern location of this nation made it much harder for ice to form, even during this time. Hope this answers the question.
I believe the answer is C. Australia

Antoinette was diagnosed with hypertension, a noncommunicable disease in which her blood pressure is higher than normal.What is the most likely explanation for why she is hypertensive?

Answers

Answer:

Antoinette was diagnosed with hypertension, a noncommunicable disease in which her blood pressure is higher than normal.  What is the most likely explanation for why she is hypertensive?

Antoinette condition which is hypertension could be as result of excessive stress and deep thought which makes the heart beat the work excessively by pumping more blood and over work the normal working rate.

Anxiety might also contribute to such as well, life burden could enable Anoinette to have such condition.

Explanation:

Answer:

She had a diet high in salt intake

Explanation:

Have a nice day!

_____ radiation lies at frequencies just below the frequencies of visible light.

Answers

Infrared radiation lies at the frequency just below the frequencies of visible light.

Infrared radiation is termed as an electromagnetic radiation which has longer wavelength more than those which have visible light.
Infrared radiation excites vibrational modes in a molecule through which a change in the dipole moment. Infrared examines transmission and absorption of photons which are in the infrared range. Infrared radiation is used in scientific, military, law enforcement, in industrial, and medical applications.
Infrared radiation lies at the frequencies just blown the frequencies of visible light.

The allele for brown fur (B) is dominant over the allele for white fur (b). What is the probability that an offspring of the cross shown above will have the genotype Bb?

Answers

The probability that an offspring of the cross shown above will have the genotype Bb is 1:2. The correct option is D.

What are alleles?

Alleles are the variations of the gene or trait of an organism. One gene contains a variation of the same type of trait. These traits come to form the mother and the father of the offspring.

They are of two types, the dominating and recessive. The dominating allele is denoted by a capital letter and the recessive gene is denoted by a small letter.

Here, the dominating allele is brown fur, B and the recessive allele is b, white fur. When crossing over happens, there is the probability of having the genotype Bb is 2:4 which will be 1:2.

Thus, the correct option is D. 1:2.

To learn more about alleles, refer to the below link:

brainly.com/question/14618200

#SPJ2

Answer:

D, 1:2

Explanation:

There are two squares that have Bb, and two that don't. Therefore, 2/4 is equivalent to 1/2

What is the function of flagella??

Answers

Answer:

Flagella is the threadlike organelle.

function of flagella help in the movement of the bacteria cells and the eukaryotes gametes and also protozoa.

Explanation:

  • The main function of flagella is to facilitate the cell in locomotion,it is composed of globular protein and flagellin.
  • It is present in bacteria, eukaryotes, and archaea help in the movement of the cells
  • It also helps some of the eukaryotes cells to increase the reproduction rate.
  • Flagella detect the change occur in the environment such as pH and temperature as it also function as a sensory organelles.
A flagella help the cell to move around. Like if we were cells our flagella would be our legs.

What is a subspecies?

Answers

A subspecies is a taxonomy category that ranks below species, usually permanent geographical isolated race.   
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